The fireproof door lock is required to open the door quickly and conveniently, so there is no lock cylinder. The fireproof door lock structure is firm, durable and reliable, and is applicable to any emergency exit, emergency passage, etc. When there is danger, it can increase the flow of people through time and evacuate people in time.

ZHTdoors防火門，31年防火門窗生產經驗。 主營UL防火門、EN防火門、BS EN防火門等。我們有認證。ZHTdoors支持OEM和免費設計。我們的優勢：質量好，出廠價，服務好。歡迎諮詢。